Localisation updates from https://translatewiki.net.

Change-Id: I17f31270c78c1d8c374393ebe0e9aa1a6194d05d
Remove pointless function

Change-Id: I7a59bac7f21bd7e4254358ce397dabb3452f1903
Add COPYING

Change-Id: I9e7444ac558b784ca82e042f5ca84982a6c348c5
Localisation updates from https://translatewiki.net.

Change-Id: I5865e3ef6ab4dcee2a53cc2acfadd38f03b4eae0
Migrate to JSON i18n

Procedure per https://www.mediawiki.org/wiki/Manual:GenerateJsonI18n.php
with shim.

Change-Id: I30795267845442b28a93abb4bf928b9559b2249c
Localisation updates from https://translatewiki.net.

Change-Id: I6a5963ca5ee202c0657ab3cf6ddf5adcf3943bca